Q. Thank you for the answer (See question 1029, I was making an omelette in a milchik pan… ). If the eggs are made on butter with cheese (on a milchik pan), and you accidentally put them on a fleishik plate? 

A. Horav Shlomo Miller’s Shlit’a opinion is that if the fleishig plate is a ben yomo and it is of material that cannot be kashered, it should not be used again; plastics can be kashered. If it is not a ben yomo, the eggs are permitted after the fact. As far as the plate concerns, one should wait until next day and use it after kashering.

Rabbi A. Bartfeld as revised by Horav Shlomo Miller Shlit”a